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historical topo map of Humboldt County, CA in 1969

1969 Map of Petrolia

USGS Topo · Published 1974

This historical map portrays the area of Petrolia in 1969, primarily covering Humboldt County. Featuring a scale of 1:24000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Petrolia region at the time. Published in 1974, it is the sole known edition of this map.

Map Details

Date Portrayed1969
Date Published1974
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions21.9 x 26.7 inches

Editions of this 1969 Petrolia Map

This is the sole edition of this map. No revisions or reprints were ever made.

Historical Maps of Humboldt County Through Time

107 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain